"It's a wonderful lesson all my students could benefit from."
You are a teacher of wonderful lessons, a dreamer of better things.
Hubble's fascinating photos and discoveries provided wonderful lessons for my high school students.
He has taught us all a wonderful lesson on how to live, to love and to die.
What a wonderful lesson this was for the children.
"What happened was a wonderful lesson, did you see?"
"When she's done a role a number of times, and she's really into it," he said, "she gives wonderful lessons."
It can only be a wonderful lesson, by example, for her to see generosity put into practice.
Working with bad orchestras can be a wonderful lesson.
If you can learn from it, it's a wonderful lesson.